Cryogenic ball valve

Product type

Switch type

Product

description

Low temperature ball valve

Model

DQ41/7 F

Size

NPS 1/2～NPS 24

Operating temperature

 -196℃～121℃

Operating pressure

CLASS 150～CLASS 2500

Material

CF8、F304、CF8M、F316

standard

API 6D、ISO 17292、API 608、BS 5351、BS 6364

Face to face

ASME B16.10

Connecting end

ASME B16.5、ASME B16.25

Test standard

BS6364、API 598

Operation

handwheel ,worm wheel , electric ,pneumatic

Application fields

LNG、liquid nitrogen

Other remark 1

Valve stem fly out prevention structure design, to prevent accident due to fly out of valve stem caused by abnormal pressurization in the pipeline.

Other remark 2

Fire proofing and antistatic design

Other remark 3

extension stem design, stem packing is more reliable